84 BOTANY. Negundo aceeoides, Moench.—Santa Fd, N. Mex., along water-courses at 7,044 feet altitude. (20.) Arizona and Utah. ANACARDIACE^. Rhus vieens, Lindh. (Pl. Lindh. 2, p. 159).—Shrub, 4-6° high, with bark much resembling Kalmia latifolia; leaflets (in my specimens) 3-5, rigidly coriaceous, ineequilateral (terminal one largest), entire and under surface thickly sprinkled with black dots; sepals and subtending bracts tinged with red, petals white, flowers in a thyrsoid panicle, which is shorter than the leaves; "drupe red, hairy, putamen lenticular and smooth." Rocky ledges on east side of Santa Rita Mountain, Arizona, at 5,700 feet altitude. (645.) Resembling in all respects the specimens obtained by the Mexican Boundary Survey, save that in the Boundary specimens there are 7—9 leaflets. Rhus glabea, L.—Chiricahua Agency, Arizona, at an altitude of 5,310 feet. (533.) Utah. Rhus aeomatica. Ait., var. teilobata. Gray. (Rhus trilobata, Nutt.)— (203.) Willow Spring, Ariz. Utah. Rhus integeifolia, Benth. & Hook. (Styphonia, Nutt.)—A small, much branching tree, with oval, obtuse, entire leaves, which are 1' or more long, petioles 4" long; sepals and petals reddish; hairy drupes the size of a pea. Arizona. I have not seen specimens. Rhus Toxicodendeon, L.—Willow Spring, Ariz., at 7,195 feet alti¬ tude. (254.) LEGUMINOSiE. By Seeeno Watson. Suboedee I. PAPILIONACE^. Flowers irregular, perfect. Perigynous disk lining the bottom of the campanulate or tubular 5-cleft or toothed calyx and bear¬ ing the petals and stamens. Petals 5 (rarely fewer), imbricated, the upper ono larger and exterior. Stamens 10 (rarely 5), diadelphous (9 and 1), or monadelphous, or rarely distinct. Seeds without albumen. Radicle inflexed. Leaves simple or simply compound. I. Stamens distinct. * Leaves digitately 3-foliolate; stipules conspicuous: pod flat, 2-valved. Theemopsis. Perennial herb. Flowers yellow, racemose. Pod linear, straight, several-seeded.